The text "" is a typical file naming convention used by digital media hosting and fansub groups.
: Indicates the source is a Blu-ray Disc , which typically offers higher quality than a TV broadcast.
: The source website or the group that hosted/distributed the file.
When decoded into "proper" or readable text, it translates to:
: A likely shorthand or typo for the popular anime series Bleach . 155 : The specific episode number (Episode 155).
: The resolution is Full High Definition (1920 x 1080 pixels). mp4 : The file format (container) used for the video. Formatted Title: